资料来源 : Webster's Revised Unabridged Dictionary (1913)

Gong \Gong\, n. [AS. gong, gang, a going, passage, drain. See
   {Gang}.]
   A privy or jakes. [Obs.] --Chaucer.

   {Gong farmer}, {Gong man}, a cleaner of privies. [Obs.]